ADDITIONAL TOPICS IN HUMAN BIOLOGY 145 



upper jaw bone 

 lower jaw bone 



collar bone 



upper arm bone 

 (humerus) 



ribs 



bones f (radius) 



of \ 

 forearm { (ulna) 



kneecap 



fibula 



vertebrae 



shoulder blade 

 breast bone 



shin bone (tibia) 



FIG. 44. Skeleton of man. 



